# Ionblox funding: rounds and investors

> Ionblox has raised $32M across 1 round since 2023. Investors include Temasek Holdings. Every round with its source.

Source: https://millionrounds.com/company/ionblox (Millionrounds; every figure on the page links to its filing or article)

United States · [Series B startup](https://millionrounds.com/companies)

# Who invested in *Ionblox*

One round we have observed, with the one investor named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Automotive & EVs

Funding summary Updated 26 Oct 2026

**$32M** raised across 1 round since 2023, from 1 source

- **Latest round:** Series B, $32M Feb 2023
- **Investors:** 1

See who backed them

## The rounds

- **Feb 2023** Series B **$32M** [Temasek Holdings](https://millionrounds.com/fund/temasek) Source recorded

## Everyone who backed them

[Temasek Holdings](https://millionrounds.com/fund/temasek) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=ionblox).

## Quick answers about Ionblox

### Who invested in Ionblox?

Ionblox's investors include Temasek Holdings.

### How much has Ionblox raised?

Ionblox has raised $32M across 1 round since 2023.

### When did Ionblox last raise?

Ionblox's most recent round was a Series B of $32M in Feb 2023.

### What was Ionblox's biggest round?

Its most recent round, $32M in Feb 2023, is also its largest on record.

### Who backed Ionblox first?

Ionblox's first round on record, in Feb 2023, was backed by Temasek Holdings.

### What stage is Ionblox at?

Ionblox's latest named round is a Series B, in Feb 2023.

### Where is Ionblox based?

Ionblox is based in the United States.

## Companies like Ionblox

In the same sector, and raised in the last eighteen months.

[**Applied Intuition** $640M · Oct 2026](https://millionrounds.com/company/applied-intuition)[**American Metal** $1.7M · Oct 2026](https://millionrounds.com/company/american-metal)[**Waymo** $27B · Oct 2026](https://millionrounds.com/company/waymo)[**Flai** $32M · Oct 2026](https://millionrounds.com/company/flai)[**Bloom** $418M · Oct 2026](https://millionrounds.com/company/bloom)[**Simple Energy** $199M · Sept 2026](https://millionrounds.com/company/simple-energy)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app